operatorbenchmark.java

gcc的组建

		}
		report("int = int * int");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 *= 2;
			stopTimer(cnt, ii);
		}
		report("int *= 2");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 <<= 1;
			stopTimer(cnt, ii);
		}
		report("int <<= 1");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 %= i2;
			stopTimer(cnt, ii);
		}
		report("int %= int");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 = (i2 % i3);
			stopTimer(cnt, ii);
		}
		report("int = int % int");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 /= i2;
			stopTimer(cnt, ii);
		}
		report("int /= int");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 = (i2 / i3);
			stopTimer(cnt, ii);
		}
		report("int = int / int");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 /= 2;
			stopTimer(cnt, ii);
		}
		report("int /= 2");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 >>= 1;
			stopTimer(cnt, ii);
		}
		report("int >>= 1");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 >>= i2;
			stopTimer(cnt, ii);
		}
		report("int >>= int");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 = i2 >> i3;
			stopTimer(cnt, ii);
		}
		report("int = int >> int");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 |= i2;
			stopTimer(cnt, ii);
		}
		report("int |= int");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 = i2 | i3;
			stopTimer(cnt, ii);
		}
		report("int = int | int");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 &= i2;
			stopTimer(cnt, ii);
		}
		report("int &= int");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 = i2 & i3;
			stopTimer(cnt, ii);
		}
		report("int = int & int");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 ^= i2;
			stopTimer(cnt, ii);
		}
		report("int ^= int");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				i1 = i2 ^ i3;
			stopTimer(cnt, ii);
		}
		report("int = int ^ int");


		println("--- long operators, local vars");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1++;
			stopTimer(cnt, ii);
		}
		report("long++");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 += l2;
			stopTimer(cnt, ii);
		}
		report("long += long");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 = (l2 + l3);
			stopTimer(cnt, ii);
		}
		report("long = long + long");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 *= l2;
			stopTimer(cnt, ii);
		}
		report("long *= long");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 = (l2 * l3);
			stopTimer(cnt, ii);
		}
		report("long = long * long");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 *= 2;
			stopTimer(cnt, ii);
		}
		report("long *= 2");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 <<= 1;
			stopTimer(cnt, ii);
		}
		report("long <<= 1");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 %= l2;
			stopTimer(cnt, ii);
		}
		report("long %= long");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 = (l2 % l3);
			stopTimer(cnt, ii);
		}
		report("long = long % long");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 /= l2;
			stopTimer(cnt, ii);
		}
		report("long /= long");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 = (l2 / l3);
			stopTimer(cnt, ii);
		}
		report("long = long / long");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 /= 2;
			stopTimer(cnt, ii);
		}
		report("long /= 2");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 >>= 1;
			stopTimer(cnt, ii);
		}
		report("long >>= 1");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 >>= i2;
			stopTimer(cnt, ii);
		}
		report("long >>= int");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 = l2 >> i3;
			stopTimer(cnt, ii);
		}
		report("long = long >> int");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 |= l2;
			stopTimer(cnt, ii);
		}
		report("long |= long");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 = l2 | l3;
			stopTimer(cnt, ii);
		}
		report("long = long | long");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 &= l2;
			stopTimer(cnt, ii);
		}
		report("long &= long");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 = l2 & l3;
			stopTimer(cnt, ii);
		}
		report("long = long & long");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 ^= l2;
			stopTimer(cnt, ii);
		}
		report("long ^= long");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				l1 = l2 ^ l3;
			stopTimer(cnt, ii);
		}
		report("long = long ^ long");


		println("--- float operators, local vars");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				f1 += f2;
			stopTimer(cnt, ii);
		}
		report("float += float");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				f1 = (float) (f2 + f3);
			stopTimer(cnt, ii);
		}
		report("float = float + float");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				f1 *= f2;
			stopTimer(cnt, ii);
		}
		report("float *= float");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				f1 = (float) (f2 * f3);
			stopTimer(cnt, ii);
		}
		report("float = float * float");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				f1 %= f2;
			stopTimer(cnt, ii);
		}
		report("float %= float");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				f1 = (float) (f2 % f3);
			stopTimer(cnt, ii);
		}
		report("float = float % float");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				f1 /= f2;
			stopTimer(cnt, ii);
		}
		report("float /= float");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				f1 = (float) (f2 / f3);
			stopTimer(cnt, ii);
		}
		report("float = float / float");


		println("--- double operators, local vars");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				d1 += d2;
			stopTimer(cnt, ii);
		}
		report("double += double");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				d1 = (d2 + d3);
			stopTimer(cnt, ii);
		}
		report("double = double + double");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				d1 *= d2;
			stopTimer(cnt, ii);
		}
		report("double *= double");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				d1 = (d2 * d3);
			stopTimer(cnt, ii);
		}
		report("double = double * double");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				d1 %= d2;
			stopTimer(cnt, ii);
		}
		report("double %= double");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				d1 = (d2 % d3);
			stopTimer(cnt, ii);
		}
		report("double = double % double");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				d1 /= d2;
			stopTimer(cnt, ii);
		}
		report("double /= double");

		for (cnt = getSampleCount();  --cnt >= 0; ) {
			startTimer(true);
			for (ii = 0;  go;  ii++)
				d1 = (d2 / d3);
			stopTimer(cnt, ii);
		}
		report("double = double / double");

		useint[0] = dummy1;  useint[1] = dummy2;  useint[2] = dummy3;
		return finishTest();
	}
}  // class OperatorBenchmark

// EOF